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Transistor: Working

To use a comm...

Question

To use a common base transistor as an amplifier:

A

both junctions are forward biased

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B

both junctions are reverse biased

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C

the emitter base junction is forward biased and collector base junction is reverse biased.

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D

No biasing voltage is required.

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Solution

The correct option is C
the emitter base junction is forward biased and collector base junction is reverse biased.

To use a common base transistor as an amplifier the emitter base junction is forward biased and collector base junction is reverse biased.

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Q. For transistor action, state which statements are true:
(1) Base, emitter and collector regions should have similar size and doping concentrations.
(2) The base region must be very thin and lightly doped.
(3) The emitter-base junction is forward biased and base-collector junction is reverse biased
(4) Both the emitter-base junction as well as the base-collector junction are forward biased

Q. The emitter base junction of a given transistor is forward biased and its collector base junction is reverse biased. If the base current is increased, then its.

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transistor with its base-emitter junction forward biased and collector-base junction reverse biased. Which of the following statements are true?

Q. The emitter-base junction of a transistor is

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Q. A transistor is used in the common emitter mode as an amplifier then:
(A) the base emitter junction is forward baised.
(B) the base emitter junction is reverse baised.
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(D) the input signal is connected in series with the voltage applied to bias the base collector junction.

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